<!-- Nav -->
<div class="navbar-fixed" id="navbarlink">
  <nav class="nav">
    <div class="nav-wrapper container">
      <a href="#" data-target="mobile-demo" class="sidenav-trigger">
        <i class="material-icons">menu</i>
      </a>
      <ul class="right hide-on-med-and-down">
        <li><a href="#about">About</a></li>
        <li><a href="#speakers">Speakers</a></li>
        <li><a href="#schedule">Schedule</a></li>
        <li><a href="#venue">Venue</a></li>
        <li><a href="#organizers">Organizers</a></li>
        <li><a href="#contributors">Contributors</a></li>
      </ul>
    </div>
  </nav>
</div>

<ul class="sidenav" id="mobile-demo" id="navbarlink">
  <li><a href="#about">About</a></li>
  <li><a href="#speakers">Speakers</a></li>
  <li><a href="#schedule">Schedule</a></li>
  <li><a href="#venue">Venue</a></li>
  <li><a href="#organizers">Organizers</a></li>
  <li><a href="#contributors">Contributors</a></li>
</ul>
